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COUNTERACTING GEOMETRIC DISTORTIONS IN WATERMARKING

09/935,755 | U.S. Patent Application

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Location ELECTRONIC
Filed Aug. 22, 2001
Examiner SALVATORE A CANGIALOSI
Class 380
Art Group 3621
Patent No. 7,116,781
Case Type Utility - 380/059000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/640,806 Patented
Parent 09/169,088 Patented
Parent 08/637,531 Patented
Parent 08/534,005 Patented
Parent 09/882,279 Patented
Parent 09/431,990 Patented
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Last Updated: 4 years, 4 months ago
Date # Transaction